// Copyright (C) 2005-2008 Ilya S. Lyubinskiy. All rights reserved.// Technical support: http://www.php-development.ru///// YOU MAY NOT// (1) Remove or modify this copyright notice.// (2) Re-distribute this code or any part of it.//     Instead, you may link to the homepage of this code://     http://www.php-development.ru/javascripts/dropdown.php//// YOU MAY// (1) Use this code on your website.// (2) Use this code as part of another product.//// NO WARRANTY// This code is provided "as is" without warranty of any kind.// You expressly acknowledge and agree that use of this code is at your own risk.
// ***** Popup Control *********************************************************
function at_show_aux (parent, child) {  var p = document.getElementById (parent);  var c = document.getElementById (child);
  var top  = (c["at_position"] == "y") ? p.offsetHeight + 2 : 0;  var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;
  for (; p; p = p.offsetParent) {    top += p.offsetTop;    left += p.offsetLeft;  }
  c.style.position = "absolute";  c.style.top = top +'px';  c.style.left = left + 'px';  c.style.visibility = "visible";}
function at_show() {  var p = document.getElementById (this["at_parent"]);  var c = document.getElementById (this["at_child" ]);
  at_show_aux (p.id, c.id);  clearTimeout (c["at_timeout"]);}
function at_hide() {  var p = document.getElementById (this["at_parent"]);  var c = document.getElementById (this["at_child" ]);
  c["at_timeout"] = setTimeout ("document.getElementById ('" + c.id + "').style.visibility = 'hidden'", 333);}
function at_click() {  var p = document.getElementById (this["at_parent"]);  var c = document.getElementById (this["at_child" ]);
  if (c.style.visibility != "visible")  	at_show_aux (p.id, c.id);  else  	c.style.visibility = "hidden";  return false;}
// ***** at_attach *****// parent   - id of the parent html element// child    - id of the child  html element that should be droped down// showtype - "click" = drop down child html element on mouse click//            "hover" = drop down child html element on mouse over// position - "x" = display the child html element to the right//            "y" = display the child html element below// cursor   - omit to use default cursor or specify CSS cursor name
function at_attach (parent, child, showtype, position, cursor) {  var p = document.getElementById (parent);  var c = document.getElementById (child);
  p["at_parent"] = p.id;  c["at_parent"] = p.id;  p["at_child"] = c.id;  c["at_child"] = c.id;  p["at_position"] = position;  c["at_position"] = position;  c.style.position = "absolute";  c.style.visibility = "hidden";  if (cursor != undefined) p.style.cursor = cursor;
  switch (showtype) {  	case "click":      p.onclick = at_click;      p.onmouseout = at_hide;      c.onmouseover = at_show;      c.onmouseout = at_hide;      break;    case "hover":      p.onmouseover = at_show;      p.onmouseout = at_hide;      c.onmouseover = at_show;      c.onmouseout = at_hide;      break;  }}